OpenTechnical

OT-2026-000045185

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000045185) never changes.

Identity and time

Publication numberOT-2026-000045185 · never reused
Internal UUID01a0ae7c-f769-7aaa-8746-aa9e89065bbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045185
StatusPUBLIC

Content hashes

Canonical text3713b36df5d8f1ef34db58e001917821176cb0cf4d4ed8f91fc8e2b5788dc716
Markdownf202b195851b029879ca5888a19d747393b6a2784c67dccd5bd76196b11f20c6
PDF
Publication pagea8683d74bf3c30a0453f705f86412f0767050a081b65e31a9b5900ca6a4fcc13
Manifest481ddca4934dd96ca623e40a6f34c3b322bdd60a264309975522260ee6019d44

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureaEmKyNggq4BwlZ0XzpM47Vhj+Xu/ig/8Yl0ZTWjNFAslggjbPbRZe7eQ7yUAbRtm8gNt9GeU+uRn+7AH9RtWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:21.307877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045185
observed a8683d74bf3c30a0453f705f86412f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.285119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045185/manifest.json
observed 481ddca4934dd96ca623e40a6f34c3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.267051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045185/publication.md
observed f202b195851b029879ca5888a19d7473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.244328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045185/publication.txt
observed 3713b36df5d8f1ef34db58e001917821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.